Chia-Yun Sung, Yu-Hao Tu, Le Thi Quynh, Ching-Min Su, Hung-Yi Wu, Lu-Hsing Chen, Kuo-Ping Chen, Wan-Zhen Hsieh, Ching-Yu Chiang, Wen-Hui Sophia Cheng* and Ying-Hao Chu*,
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引用次数: 0
Abstract
Plasmonic nanocrystals represent one of the most fascinating emerging research fields and hold great promise for a wide range of new applications, including surface-enhanced Raman spectroscopy (SERS) and plasmon-related devices. Here, we present a mesocrystal consisting of 3D Ag nanocrystals (NCs) with the same orientation intercalated in a 2D muscovite crystal via a two-step hydrothermal process for a novel SERS platform. The fabricated Ag NCs/mica mesocrystal possesses high crystallinity, uniform size, and extensive distribution to benefit the SERS-active plasmon area and strong plasmon resonance in the visible spectral range. Furthermore, the SERS application potential was demonstrated through Raman spectra of crystal violet and rhodamine 6G molecules on a Ag NCs/mica mesocrystal with detection limits as low as 10–6 and 10–7 M. This work presents a 3D platform with large-scale uniform hot spots and cost-effectiveness for SERS applications, laying a solid foundation for further investigations into 3D plasmonic nanostructures.
期刊介绍:
Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including:
- Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale
- Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies
- Modeling and simulation of synthetic, assembly, and interaction processes
- Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance
- Applications of nanoscale materials in living and environmental systems
Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.